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You are testing hundreds of hypotheses with many t-tests. What considerations should be made?

What is a key disadvantage of the F-test when compared to multiple t-tests?

What is a key disadvantage of the F-test when compared to multiple t-tests?

Hundreds of Hypotheses

You are testing hundreds of hypotheses with many t-tests. What considerations should be made?

In an A/B test, how can you check if assignment to the various buckets was truly random?

In an A/B test, which of the following is a common method to determine if the assignment to the test groups was truly random?

In an A/B test, which of the following is a common method to determine if the assignment to the test groups was truly random?

Random Bucketing

Suppose there exists a new airline named Jetco that flies domestically across North America. Jetco recently had a study commissioned that tested the boarding time of every airline, and it came out that Jetco had the fastest average boarding times of any airline.

What factors could have biased this result, and what would you look into?

What could potentially bias the average boarding time in favor of an airline that only flies domestically?

What could potentially bias the average boarding time in favor of an airline that only flies domestically?

Boarding Times Bias

A new airline came out as the fastest average boarding times compared to other airlines.  What factors could have biased this result and what would you look into?

I-link solutions Salaries by Position

Job Title: Business Analyst - ExpertTask ID: HBITS-06-13734Position Duration: 30 MonthsClient: State of NYAgency: NYS Higher Education Services CorporationPlease call (703) 466-0951 | (571) 351-1868 | (703) 348-3018 or ema il at nysreqs@ilinksolutions.comDescription Analyze existing system documentation and related artifacts to elicit detailed requirements. Analyze and understand as-is business processes and systems sufficiently to establish to-be workflows and designs. Liaise with relevant stakeholders, including subject matter experts (SMEs), executive teams, managers, program directors, and end users to meet the business needs of the project. Conduct requirements elicitation, confirmation, and validation processes. Produce the necessary project artifacts that capture all stated, confirmed, and validated requirements. Collaborate with the HESC team on requirements definition to confirm that system requirements align with state and federal standards and strategy. Adhere to internal controls, guidelines, and procedures pertaining to the systems development life cycle. Provide guidance to application development resource(s), through product backlogs, user stories, roadmaps, sprint plans, and related artifacts. Support software validation through user acceptance and similar test strategies. Provide project management support as needed.Mandatory Qualifications 1 84 months of experience in performing requirements elicitation and business analysis, producing written documentation of requirements; system design and implementation 2 48 months of experience in Agile development environment working with stakeholders across different levels of the organization 3 84 months of experience using recognized business analysis methodologies (e.g., business process flows, fit-gap analyses, or functional designs) to design solutions to improve the efficiency and effectiveness of the business processes 4 84 months of experience developing test scenarios, scripts, and data; reviewing test results; and assessing the implementation of appropriate solutions to ensure they perform to the required specifications and achieve the design capabilities. 5 84 months of experience describing in a comprehensive written document (e.g., business case, fit-gap analysis document, or functional specification) what the system, process, or product/service must do to fulfill the business requirement(s) 6 48 months of experience working on a large scale IT modernization project 7 36 months of experience using Client/ALM or a similar quality assurance tool 8 36 months of experience working in a public sector environment 9 24 months of participating in user experience elicitation and design exercises Required Documentation •Résumé •Copy of Candidate Identification (i.e., Driver's License/Green Card/Visa and Passport if applicable) •Any documents referenced in the above Requested Qualifications (i.e., professional certifications, degrees, etc.) Disclaimer: i-Link Solutions Inc. provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, disability, genetic information, marital status, amnesty, or status as a covered veteran in accordance with applicable federal, state and local laws. We especially invite women, minorities, veterans, and individuals with disabilities to apply. EEO/AA/M/F/Vet/Disability

<div>Job Title: Business Analyst - Expert Task ID: HBITS-06-13699 Position Duration: 30 Months Client: State of NY Agency: Department of Transportation Please call (703) 466-0951 | (571) 351-1868 | (703) 348-3018 or ema il at Description Day-to-day tasks include but are not limited to: <ul> <li>Work with Agency/Business Users to develop/document new business strategies and models.</li> </ul> <ul> <li>Support and align efforts to meet customer and business needs</li> <li>Manage customer relationships and expectations by developing a communication process to keep others up-to-date on project results</li> <li>Stay current with customer needs and strategies; utilizing formal and informal written communication methods (for example, emails, newsletters, PowerPoint presentations, executive updates, task lists, updates) to communicate updates and findings; and facilitating project meetings and presentations to all types of diverse audiences (for example, senior management, Customers, technical staff)</li> <li>Participate in multiple projects by completing and updating project business and technical documentation; determining daily priorities; ensuring efficient and on-time delivery of project tasks and milestones; following proper escalation paths; and customer and vendor relationships</li> <li>Collaborate with team members and peers by articulating ideas and viewpoints driving the resolution of issues.</li> <li>Identify, create and facilitate process design changes by conducting business and systems process analysis and design at a complex level; focusing on quality improvement and data management; ensuring data is reliable and valid; developing process improvements or re-engineering and recommending elimination; integrating new systems and processes with existing ones; and partnering with internal and external teams and peers to ensure systems provided meet the long-term business strategies</li> <li>Provide and support the implementation of business solutions by building relationships and partnerships with key stakeholders; identifying business needs; determining and carrying out necessary processes and practices; monitoring progress and results; recognizing and capitalizing on improvement opportunities; and adapting to competing demands, organizational changes and new responsibilities</li> <li>Provide project level analysis producing required project analysis documentation (business requirements, scope matrix, use cases, sequence diagrams, future state proposals, UAT plan)</li> <li>Collaborate closely with developers to implement the requirements, provide necessary guidance to testers during QA/QC process</li> <li>Identify improvement opportunities (proactive and reactive)</li> <li>Elicit and clearly document business and systems requirements</li> <li>Assess business process and system inefficiencies</li> <li>Identify ways to increase adoption and customer satisfaction</li> <li>Participate fluency in business processes and process differentiation</li> <li>Analyze and synthesize business requirements, including recognizing patterns and conceptualizing processes</li> <li>Understand and negotiate needs and expectations of multiple stakeholders</li> <li>Serve as a liaison between Business, Vendors and ITS to assist or gather business requirements needed for system modifications, enhancement and implementations</li> <li>Assist with development and execution of test plans</li> <li>Support system conversions, upgrades, enhancements</li> <li>Develop Business Cases: gather, document and obtain sign-off on business requirements; work with ITS technical team resources to identify proposed technical solutions to meet the business requirements while aligning with ITS Technical and Security Policies; and, organize the analysis of information about costs/benefits, advantages/ disadvantages, and technical feasibility of designing and implementing proposed solutions.</li> </ul> Mandatory Qualifications <table border="1" cellpadding="0" cellspacing="0" style="width:604px;" width="604"> <tbody> <tr> <td style="width:85px;height:19px;">1</td> <td style="width:519px;height:19px;">84 months working as a Business Analyst with agencies/business areas to understand business requirements to produce functional and non-functional specifications according to Project Management Industry standards and Secure System Development Lifecyle (SSDLC). </td> </tr> <tr> <td style="width:85px;height:38px;">2</td> <td style="width:519px;height:38px;">84 months developing Business Case documents: Gather, organize, analyze, and quantify data about customer needs and requirements, costs/benefits, advantages/disadvantages, technical feasibility of implementing new or changed business solutions, and comparisons of technical solutions. Translate customer input into information that can be used to make decisions and support the technical solution. </td> </tr> <tr> <td style="width:85px;height:19px;">3</td> <td style="width:519px;height:19px;">72 months working as a Business Analyst on complex projects in a fast-paced environment wherein the team comprises a variety of Stakeholders including Senior Business and IT Management, Business Subject Matter Experts, Vendors and IT resources to understand and negotiate needs and expectations across all.</td> </tr> <tr> <td style="width:85px;height:19px;">4</td> <td style="width:519px;height:19px;">72 months in business process modeling for improving business and systems operations in turn identifying innovative ways to increase customer satisfaction. This includes the ability to analyze and synthesize business requirements, including recognizing patterns and conceptualizing processes.</td> </tr> <tr> <td style="width:85px;height:19px;">5</td> <td style="width:519px;height:19px;">60 months in data analysis and modeling for on-line transactional processing systems, data warehouses, and/or data transformation using tools such as Oracle Data Modeler.</td> </tr> <tr> <td style="width:85px;height:16px;">6</td> <td style="width:519px;height:16px;">48 months in proficiency with MS Office (Word, Excel, Powerpoint) as well as MS Visio</td> </tr> <tr> <td style="width:85px;height:16px;">7</td> <td style="width:519px;height:16px;">Bachelor's degree in business, accounting, IT or any related field.</td> </tr> <tr> <td style="width:85px;height:94px;">Required Documentation</td> <td style="width:519px;height:94px;"> Rsum Copy of Candidate Identification (i.e., Driver's License/Green Card/Visa and Passport if applicable) Any documents referenced in the above Requested Qualifications (i.e., professional certifications, degrees, etc.)</td> </tr> </tbody> </table> Disclaimer: i-Link Solutions Inc. provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, disability, genetic information, marital status, amnesty, or status as a covered veteran in accordance with applicable federal, state and local laws. We especially invite women, minorities, veterans, and individuals with disabilities to apply. EEO/AA/M/F/Vet/Disability</div>

I-link solutions Interview Questions

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I-link solutions Interview Questions

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